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SUMMARY:Multi-functional applications of graphene related materials in cem
 entitious composites - Ioanna Papanikolaou\, PhD Research Student at the D
 epartment of Engineering\, University of Cambridge.
DTSTART:20201217T160000Z
DTEND:20201217T164500Z
UID:TALK152995@talks.cam.ac.uk
CONTACT:Magdalena Charytoniuk
DESCRIPTION:Cementitious composites are the most widely used construction 
 materials\nwith 4.1 billion tonnes of cement being produced globally in 20
 17.\nHowever\, cement production is associated with ~7% of the total globa
 l\nanthropogenic CO2 emissions. Moreover\, concrete structures suffer from
 \npoor durability\, with a fifth of the total civil engineering output in\
 nthe UK being spent on repair and maintenance. The poor durability of\ncon
 crete structures necessitates frequent inspections and an enhanced\nstruct
 ural monitoring regime. Despite the advancements in material\nscience over
  the years\, cementitious composites remain passive\nstructural materials 
 and do not possess any functionalities.\n\nThis research aimed to take adv
 antage of emerging graphene-related\nmaterials (GRMs) to solve the challen
 ges associated with concrete\ninfrastructure and to instigate additional f
 unctionalities that would\nmake the material smarter. The homogenous dispe
 rsion of GRMs was\ninvestigated in detail\, followed by their effect on th
 e early age\,\nmechanical and permeability performance of cement pastes an
 d mortars.\nThe use of GRMs to improve the electrical conductivity perform
 ance was\nalso investigated\, with the aim to create electrically conducti
 ve\nnetworks in the composite that could then be used to monitor changes i
 n\nloading or damage\, by triggering a self-sensing response. Finally\, th
 e\nkey findings from a Lifecycle Assessment (LCA) study that was undertake
 n\nto establish the sustainability performance of a novel GNP-cement\ncomp
 osite\, will also be presented.
LOCATION:Delivered online via Zoom
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